Gotta add a picture to show us what you want us to do.
I believe the answer is A 3^7
Answer:

Step-by-step explanation:


Simplify

If you have any more questions please let me know.
Answer:
Step-by-step explanation:
you have to use trigonometric functions
cos 30 = adj. /hyp.
cos 30 = 12 / y
y = 12/cos 30 ≅13.86
tan 30 = opp./adj
tan30 = x / 12
x = 12 tan30 ≅6.93
Answer:
V≈100.53
Step-by-step explanation:
V=πr2h=π·22·8≈100.53096